Home / 15,170.51-22,747.53-6,840.78

Finding the Fourth Proportional to 15,170.51, 22,747.53 and 6,840.78

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Solution

The fourth proportional to 15,170.51, 22,747.53 and 6,840.78 is: 10,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.51 : 22,747.53 = 6,840.78 : x
  2. Step 2: Convert to fraction form
    15,170.51/22,747.53 = 6,840.78/x
  3. Step 3: Cross multiply
    15,170.51x = 22,747.53 × 6,840.78
  4. Step 4: Simplify right side
    15,170.51x = 155,610,848.27
  5. Step 5: Solve for x
    x = 155,610,848.27/15,170.51
  6. Step 6: Final answer
    x = 10,257.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.